Compilare: main.cpp: In function 'void calc_distanta(int, int*)': main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<mat[t].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<rez.size();i++) ~^~~~~~~~~~~